Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {5, 13, 8, 12, 29, 17} → ______
- Prime numbers in {12, 15, 3, 13, 23, 5} → ______
- Prime numbers in {21, 13, 25, 5, 9, 29} → ______
- Prime numbers in {29, 3, 27, 17, 23, 25} → ______
- Prime numbers in {19, 7, 8, 25, 13, 27} → ______
- Prime numbers in {13, 19, 7, 15, 3, 27} → ______
- Prime numbers in {17, 9, 15, 21, 3, 13} → ______
- Prime numbers in {13, 15, 29, 2, 5, 7} → ______
- Prime numbers in {13, 5, 21, 12, 27, 9} → ______
- Prime numbers in {23, 13, 11, 19, 25, 29} → ______
- Prime numbers in {5, 23, 8, 15, 9, 13} → ______
- Prime numbers in {2, 29, 12, 8, 7, 15} → ______
- Prime numbers in {11, 23, 12, 17, 5, 9} → ______
- Prime numbers in {17, 2, 8, 27, 19, 13} → ______
- Prime numbers in {8, 12, 21, 9, 27, 17} → ______
- Prime numbers in {13, 15, 23, 17, 19, 11} → ______
- Prime numbers in {11, 17, 7, 2, 21, 15} → ______
- Prime numbers in {12, 9, 27, 7, 3, 5} → ______
- Prime numbers in {11, 2, 8, 3, 25, 27} → ______
- Prime numbers in {17, 9, 21, 11, 2, 25} → ______